/*
 *  Copyright 2016 Alexey Andreev.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.teavm.ast.optimization;

import org.teavm.ast.BlockStatement;
import org.teavm.ast.BreakStatement;
import org.teavm.ast.ContinueStatement;
import org.teavm.ast.RecursiveVisitor;

class BlockCountVisitor extends RecursiveVisitor {
    private BlockStatement blockToCount;
    private int count;

    BlockCountVisitor(BlockStatement blockToCount) {
        this.blockToCount = blockToCount;
    }

    public int getCount() {
        return count;
    }

    @Override
    public void visit(BreakStatement statement) {
        if (statement.getTarget() == blockToCount) {
            ++count;
        }
    }

    @Override
    public void visit(ContinueStatement statement) {
        if (statement.getTarget() == blockToCount) {
            ++count;
        }
    }
}
